CPESC EXAM QUESTIONS WITH CORRECT ANSWERS

CPESC EXAM QUESTIONS WITH CORRECT
ANSWERS


Erosion |- |CORRECT |ANSWER✔✔-process |in |which, |by |the |actions |of |wind |and/or |water, |soil |
particles |detached |and |transported



Sediment |- |CORRECT |ANSWER✔✔-eroded |material |suspended |in |wind |or |water



Sedimentation |- |CORRECT |ANSWER✔✔-deposition |of |eroded |material



Types |of |Erosion |- |CORRECT |ANSWER✔✔-splash

sheet

rill

gully

channel



Splash |erosion |- |CORRECT |ANSWER✔✔-raindrop |impact |energy |is |enough |to |dislodge |surface |
sediments



sheet |erosion |- |CORRECT |ANSWER✔✔-caused |by |rain |splash |detaching |soil |particles |lifting |
them |up |and |removing |them |by |shallow |"sheets" |of |water |flowing |down |the |sloped |soil |
surface



Rill |Erosion |- |CORRECT |ANSWER✔✔-as |flow |concentrates, |small |channels |begin |to |form |in |the |
soil |surface

,Gully |Erosion |- |CORRECT |ANSWER✔✔-Formed |when |runoff |cuts |rills |deeper |and |wider |or |
when |flows |from |several |rills |come |together |and |form |a |large |channels



Channel |Erosion |- |CORRECT |ANSWER✔✔-may |become |unstable |due |to |increased |flows |or |
changes |in |upstream |sediment |load



Natural |erosion |- |CORRECT |ANSWER✔✔-generally |considered |due |to |the |influences |of |climate
|on |the |surface |of |the |earth




Accelerated |erosion |- |CORRECT |ANSWER✔✔-natural |erosion |plus |human |activities



What |problems |can |accelerated |erosion |cause? |- |CORRECT |ANSWER✔✔-Unrestricted |
development

removal |of |surface |cover

increased |imperviousness

poor |stewardship



Problems |associated |with |construction |related |erosion |- |CORRECT |ANSWER✔✔-problems |for |
down |slope |property |owners

nuisance |problems |on |streets

clog |streams |and |storm |drains

increased |turbidity |downstream

cover |sensitive |habitat |with |sediment



Identify |instream |damages |of |sediment |- |CORRECT |ANSWER✔✔-destruction |of |spawning |
areas, |food |sources, |habitat

direct |toxicity |to |wildlife

,lake |degradation

filling |of |navigation |channels

impacts |to |commercial |fisheries

reduction |of |water |storage |capacities



Suspended |material |- |CORRECT |ANSWER✔✔-sediment |can |affect |light |penetration, |channel |
stability, |fisheries |and |habitat



Name |Off |stream |damages |- |CORRECT |ANSWER✔✔-Increased |flood |hazards

increased |water |treatment |costs

decreased |capacity |in |conveyance |facilities

higher |infrastructure |maintenance |costs



What |has |increased |the |amount |of |impervious |surface |in |our |watersheds? |- |CORRECT |
ANSWER✔✔-Urbanization |and |development



priority |pollutants |include |- |CORRECT |ANSWER✔✔-nutrients

pathogens

heavy |metals

toxics

sediment

salts

detergents

hydro |carbons



Clean |Water |Act |(CWA) |- |CORRECT |ANSWER✔✔-Federal |Water |Pollution |Control |Act |enacted |
to |restore |and |maintain |the |chemical, |physical |and |biological |integrity |of |the |waters |of |the |US

, administered |by |USEPA



Section |401 |- |CORRECT |ANSWER✔✔-water |quality |certification |

requires |applicant, |including |any |construction |or |operation |of |a |facility, |to |obtain |certification |
to |discharge |ANY |pollutant. |

administered |by |the |State



Section |402 |- |CORRECT |ANSWER✔✔-NPDES |Regs



NPDES |- |CORRECT |ANSWER✔✔-National |Pollutant |Discharge |Elimination |System



MS4 |- |CORRECT |ANSWER✔✔-Municipal |Separate |Storm |Sewers |Systems



NURP |- |CORRECT |ANSWER✔✔-Nationwide |Urban |Runoff |Program

1987-1983

led |to |EPA |regulating |stormwater



Phase |I

(1987 |- |1992) |- |CORRECT |ANSWER✔✔-already |covered |by |NPDES |permit

facilities |that |engage |in |industrial |activity |

Large |municipal |storm |systems |(>250,000)

Medium |municipal |storms |systems |(100 |- |250 |K)

facilities |that |EPA |said |were |significant |contributors



Storm |Water |Implementation |Rule |- |CORRECT |ANSWER✔✔-enacted |April |1992, |identified |
minimum |requirements |for |NPDES |stormwater |permits